Cudy PE25 2.5 Gbps PCI-E Ethernet Adapter
The Cudy PE25 Ethernet Adapter enables your PC or compatible devices to connect to high-speed 2.5 Gbps networks, delivering faster and more stable internet performance. Powered by the advanced RTL8125BG chipset, this PCI-E network card supports auto-negotiation between 10/100/1000 Mbps and 2.5 Gbps speeds for smooth connectivity. It includes Wake on LAN (WoL) and flow control features for efficient data handling and remote power management. Compatible with Windows, Linux, and DSM 7.2+, it’s an ideal solution for both PC users and Synology NAS systems.
Key Features
- 2.5 Gbps Ethernet Port: Achieve high-speed connectivity with a 2.5 Gbps network link, providing faster data transfer and reduced latency.
- Wake on LAN (WoL): Enables remote wake-up of the system, enhancing convenience and energy management.
- Auto Negotiation: Automatically adjusts between 10 Mbps, 100 Mbps, 1 Gbps, and 2.5 Gbps speeds to optimize performance.
- Flow Control: Ensures stable and efficient data flow management for high-performance networking.
- Standard/Low-Profile Bracket: Flexible installation with support for both standard and low-profile PC cases.
Specifications
- Model Version: PE25 2.0
- Chipset: RTL8125BG
- Interfaces: 1× 2.5G RJ45 Port
- Data Rate: Auto negotiation between 10 Mbps, 100 Mbps, 1 Gbps, and 2.5 Gbps
- Protocols: 802.3x Flow Control, 802.3az Power Saving, 802.3i 10BASE-T, 802.3u 100BASE-TX, 802.3ab 1000BASE-T, 802.3bz 2.5GBASE-T
- Operating System Compatibility: Windows 7/8/8.1/10/11, Windows Server 2012-2022, Linux, DSM 7.2+
- Hardware Requirement: Requires a PCI-E 2.1 x1 or higher slot on the motherboard
- Operating Temperature: 0 ℃ ~ 70 ℃ (32 ℉ ~158 ℉)
- Storage Temperature: -40 ℃ ~ 70 ℃ (-40 ℉ ~ 158 ℉)
- Dimensions: 67.3×56×17 mm (2.65×2.2×0.67 inches)
- Weight: 37.2 g (1.31 oz.)
- Certifications: FCC, CE
More About This Item
- Provides seamless 2.5G wired connectivity for faster file transfers and reduced latency on compatible devices.
- Ideal for enhancing PC and Synology NAS performance with high-speed internet access.
- Supports Wake on LAN for convenient remote access and power management.
What’s in the Box?
- Cudy PE25 2.5 Gbps PCI-E Ethernet Adapter
- Low-Profile Bracket
- Installation Guide

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